Descripción
Publicado:Began with v. 297, no. 6640 (2 July 1988).
Frecuencia de Publicación:Weekly
Formato:Mode of access: World Wide Web.
ISSN:1756-1833
0959-8138
0959-8146
0959-535X
Publicación relacionada:Published also in print versions; with commercial advertisements called "Clinical research ed."; without commercial advertisements called "International"; also in various regional versions.
Acceso:License restrictions may limit access.